Vitamin D is made with the help of sunlight exposure on your bare skin; it is thereby converted into its active form. In the winter time there is less sun exposure, which translates into deficient Vitamin D levels. Even if you get lots of sun on your face, it is not enough. Every cell has receptors to Vitamin D so it is important!

Most notably, Vitamin D has a significant impact upon your immune system. Many cancers have been associated with low Vitamin D levels. It is thought, that Vitamin D may decrease your chance of getting influenza. Vitamin D is known to up-regulate the immune system’s innate defensive actions. One strategy that has been proposed, is to significantly increase your Vitamin D intake, if you are feeling under the weather. A dose up to 100,000 IU everyday, for up to four days, can be effective to boost your immunity.

Vitamin D favorably effects calcium metabolism. All my patients with osteopenia and osteoporosis take it all year around. Vitamin D promotes thyroid metabolism, and when deficient, can cause low thyroid function. It helps with neurotransmitter function, therefore balancing moods.

Vitamin D deficiency has been implicated as a important factor in a the following health concerns including: